1. stunted growth and development: malnutrition will lead to children's height, weight, head circumference and other growth and development indicators below the normal range, and in severe cases, dwarfism or dwarfism will occur.
2. Decline of immunity: Malnutrition will affect children's immune system function, making them susceptible to various diseases, such as respiratory tract infection and digestive tract infection.
3. Mental retardation: Malnutrition will affect children's brain development, leading to mental retardation and poor learning ability.
4. Anemia: Malnutrition will make children lack nutrients such as iron and folic acid, which will cause anemia.
5. Skeletal deformity: Malnutrition will affect children's skeletal development and lead to skeletal deformity, such as scoliosis and thoracic deformity.
6. Psychological problems: Malnutrition will affect children's emotions and behaviors, leading to psychological problems such as anxiety and depression.